Half of first layer increases by 4mm suddenly

What is the problem

First layer print all of a sudden increases the Z by 4mm for 1/2 of the print

What did you already try to solve it?

bed leveled

Have you tried running in safe mode?


Did running in safe mode solve the problem?

dont think its a safe mode solution

Systeminfo Bundle

upgraded to 1.9


OctoPrint: 1.9.0 , Version 1.0.0, running on Raspberry Pi 4 Model B Rev 1.2, firefox win 10

That doesn't mean it's not worth a try...

Please enable the serial.log, reproduce the issue and then share both the systeminfo bundle and the gcode file you have this issue with so we can compare.

1 Like

octoprint-systeminfo-20230527091534.zip (108.2 KB)
serial.log (49.4 KB)

Hi Charlie
thanks for your help

Hi Charlie any advise from the lofgs and sys info sent ?

Were your able to reproduce it while serial logging was enabled?
I don't see anything in the logs
the last height changing command was

2023-05-27 09:14:14,656 - Send: N32 G1 Z-2.7 F7800*12

and the last location report from the printer was 111ms before you paused the print

2023-05-27 09:15:19,756 - Recv: X:290.40 Y:157.33 Z:-2.70 E:41.76 Count X:23232 Y:12586 Z:-1557

The printer thought it's still at the same height.

many thanks

You're welcome, but I haven't done anything yet?

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